NM2C PMS PROCEDURE (continued)
( ) 6.18 AUXILIARY OXYGEN FLOWMETER - if applicable
6.18.1 Close the auxiliary oxygen flowmeter flow control valve.
6.18.2 Connect a cm H
2
O pressure manometer to the outlet.
6.18.3 Is there an increase in pressure? ___ (N)
6.18.4 Apply a pressure of 50 cm H
2
O to the manometer.
6.18.5 After 30 seconds, what is the pressure on the manometer? ___(>40 cm
H
2
O)
6.18.6 Remove the gauge and test fixture.
6.18.7 Is it possible to adjust the flow over the full range of the auxiliary
oxygen flowmeter? ___ (Y)
6.18.8 Set the flow rate to 5 l/min.
6.18.9 Hold the sensor from a calibrated O
2
Med at the auxiliary oxygen
flowmeter outlet.
6.18.10 After the value stabilizes, what is the oxygen concentration? ___ % (97-
100)
6.18.11 Remove the O
2
Med sensor from the auxiliary oxygen flowmeter, and
insert it into the inspiratory valve dome adapter.
6.18.12 Close the flowmeter flow control valve.
Rev. K
6-41
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